40137184021452 has 24 divisors (see below), whose sum is σ = 107032490724096. Its totient is φ = 11467766863248.

The previous prime is 40137184021423. The next prime is 40137184021471. The reversal of 40137184021452 is 25412048173104.

It is a super-2 number, since 2×40137184021452² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 238911809568 + ... + 238911809735.

It is an arithmetic number, because the mean of its divisors is an integer number (4459687113504).

Almost surely, 2^{40137184021452} is an apocalyptic number.

40137184021452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40137184021452 is an abundant number, since it is smaller than the sum of its proper divisors (66895306702644).

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

40137184021452 is a wasteful number, since it uses less digits than its factorization.

40137184021452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477823619317 (or 477823619315 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 40137184021452 in words is "forty trillion, one hundred thirty-seven billion, one hundred eighty-four million, twenty-one thousand, four hundred fifty-two".