40165251332 has 24 divisors (see below), whose sum is σ = 71556001440. Its totient is φ = 19723841280.

The previous prime is 40165251319. The next prime is 40165251361. The reversal of 40165251332 is 23315256104.

It is a happy number.

It is a super-2 number, since 2×40165251332² (a number of 22 digits) 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, 344282 + ... + 445937.

It is an arithmetic number, because the mean of its divisors is an integer number (2981500060).

Almost surely, 2^40165251332 is an apocalyptic number.

It is an amenable number.

40165251332 is a deficient number, since it is larger than the sum of its proper divisors (31390750108).

40165251332 is a wasteful number, since it uses less digits than its factorization.

40165251332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790451 (or 790449 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 40165251332 in words is "forty billion, one hundred sixty-five million, two hundred fifty-one thousand, three hundred thirty-two".