40137445777388 has 24 divisors (see below), whose sum is σ = 70902651375360. Its totient is φ = 19880285806800.

The previous prime is 40137445777277. The next prime is 40137445777423. The reversal of 40137445777388 is 88377754473104.

It is a super-2 number, since 2×40137445777388² (a number of 28 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, 92335706 + ... + 92769377.

It is an arithmetic number, because the mean of its divisors is an integer number (2954277140640).

Almost surely, 2^{40137445777388} is an apocalyptic number.

It is an amenable number.

40137445777388 is a deficient number, since it is larger than the sum of its proper divisors (30765205597972).

40137445777388 is a wasteful number, since it uses less digits than its factorization.

40137445777388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185105597 (or 185105595 counting only the distinct ones).

The product of its (nonzero) digits is 442552320, while the sum is 68.

The spelling of 40137445777388 in words is "forty trillion, one hundred thirty-seven billion, four hundred forty-five million, seven hundred seventy-seven thousand, three hundred eighty-eight".