40151420 has 24 divisors (see below), whose sum is σ = 85702848. Its totient is φ = 15796800.

The previous prime is 40151407. The next prime is 40151453. The reversal of 40151420 is 2415104.

40151420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40151420² = 3224273056032800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15236 + ... + 17675.

It is an arithmetic number, because the mean of its divisors is an integer number (3570952).

Almost surely, 2^40151420 is an apocalyptic number.

It is an amenable number.

40151420 is an abundant number, since it is smaller than the sum of its proper divisors (45551428).

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

40151420 is a wasteful number, since it uses less digits than its factorization.

40151420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32981 (or 32979 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40151420 is about 6336.5148149436. The cubic root of 40151420 is about 342.4261868747.

Adding to 40151420 its reverse (2415104), we get a palindrome (42566524).

The spelling of 40151420 in words is "forty million, one hundred fifty-one thousand, four hundred twenty".