40003152 has 40 divisors (see below), whose sum is σ = 118105536. Its totient is φ = 11429376.

The previous prime is 40003133. The next prime is 40003153. The reversal of 40003152 is 25130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59193 + ... + 59864.

Almost surely, 2^40003152 is an apocalyptic number.

40003152 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40003152 is an abundant number, since it is smaller than the sum of its proper divisors (78102384).

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

40003152 is a wasteful number, since it uses less digits than its factorization.

40003152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119075 (or 119069 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40003152 is about 6324.8045029076. The cubic root of 40003152 is about 342.0041721730.

Adding to 40003152 its reverse (25130004), we get a palindrome (65133156).

The spelling of 40003152 in words is "forty million, three thousand, one hundred fifty-two".