40207152 has 40 divisors (see below), whose sum is σ = 104118336. Its totient is φ = 13370176.

The previous prime is 40207147. The next prime is 40207201. The reversal of 40207152 is 25170204.

It is a super-2 number, since 2×40207152² = 3233230143902208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27463 + ... + 28889.

Almost surely, 2^40207152 is an apocalyptic number.

It is an amenable number.

40207152 is an abundant number, since it is smaller than the sum of its proper divisors (63911184).

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

40207152 is a wasteful number, since it uses less digits than its factorization.

40207152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40207152 is about 6340.9109755618. The cubic root of 40207152 is about 342.5845480085.

Adding to 40207152 its reverse (25170204), we get a palindrome (65377356).

The spelling of 40207152 in words is "forty million, two hundred seven thousand, one hundred fifty-two".