40151532 has 12 divisors (see below), whose sum is σ = 93686936. Its totient is φ = 13383840.

The previous prime is 40151519. The next prime is 40151539. The reversal of 40151532 is 23515104.

40151532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40151532² = 3224291043894048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40151499 and 40151508.

It is not an unprimeable number, because it can be changed into a prime (40151539) 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 3 ways as a sum of consecutive naturals, for example, 1672969 + ... + 1672992.

Almost surely, 2^40151532 is an apocalyptic number.

It is an amenable number.

40151532 is an abundant number, since it is smaller than the sum of its proper divisors (53535404).

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

40151532 is a wasteful number, since it uses less digits than its factorization.

40151532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345968 (or 3345966 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 40151532 is about 6336.5236526032. The cubic root of 40151532 is about 342.4265052669.

Adding to 40151532 its reverse (23515104), we get a palindrome (63666636).

The spelling of 40151532 in words is "forty million, one hundred fifty-one thousand, five hundred thirty-two".