40165626054 has 16 divisors (see below), whose sum is σ = 80343025920. Its totient is φ = 13386579720.

The previous prime is 40165626047. The next prime is 40165626073. The reversal of 40165626054 is 45062656104.

It is a super-2 number, since 2×40165626054² (a number of 22 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, 445914 + ... + 528365.

It is an arithmetic number, because the mean of its divisors is an integer number (5021439120).

Almost surely, 2^40165626054 is an apocalyptic number.

40165626054 is an abundant number, since it is smaller than the sum of its proper divisors (40177399866).

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

40165626054 is a wasteful number, since it uses less digits than its factorization.

40165626054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981155.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 40165626054 in words is "forty billion, one hundred sixty-five million, six hundred twenty-six thousand, fifty-four".