40137218370776 has 32 divisors (see below), whose sum is σ = 75552492960000. Its totient is φ = 19989891833856.

The previous prime is 40137218370757. The next prime is 40137218370817. The reversal of 40137218370776 is 67707381273104.

It is a super-2 number, since 2×40137218370776² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 68789030 + ... + 69370058.

It is an arithmetic number, because the mean of its divisors is an integer number (2361015405000).

Almost surely, 2^{40137218370776} is an apocalyptic number.

It is an amenable number.

40137218370776 is a deficient number, since it is larger than the sum of its proper divisors (35415274589224).

40137218370776 is a wasteful number, since it uses less digits than its factorization.

40137218370776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614891 (or 614887 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 56.

The spelling of 40137218370776 in words is "forty trillion, one hundred thirty-seven billion, two hundred eighteen million, three hundred seventy thousand, seven hundred seventy-six".