40277432 has 48 divisors (see below), whose sum is σ = 84502080. Its totient is φ = 17989920.

The previous prime is 40277431. The next prime is 40277443. The reversal of 40277432 is 23477204.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

40277432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40277395 and 40277404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40277431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1299257 + ... + 1299287.

It is an arithmetic number, because the mean of its divisors is an integer number (1760460).

Almost surely, 2^40277432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40277432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42251040).

40277432 is an abundant number, since it is smaller than the sum of its proper divisors (44224648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40277432 is an equidigital number, since it uses as much as digits as its factorization.

40277432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 40277432 is about 6346.4503464535. The cubic root of 40277432 is about 342.7840384481.

The spelling of 40277432 in words is "forty million, two hundred seventy-seven thousand, four hundred thirty-two".