40388767554 has 32 divisors (see below), whose sum is σ = 82410851520. Its totient is φ = 13191377472.

The previous prime is 40388767537. The next prime is 40388767577. The reversal of 40388767554 is 45576788304.

It is a junction number, because it is equal to n+sod(n) for n = 40388767494 and 40388767503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156837 + ... + 324615.

It is an arithmetic number, because the mean of its divisors is an integer number (2575339110).

Almost surely, 2^40388767554 is an apocalyptic number.

40388767554 is an abundant number, since it is smaller than the sum of its proper divisors (42022083966).

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

40388767554 is a wasteful number, since it uses less digits than its factorization.

40388767554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168594.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 40388767554 in words is "forty billion, three hundred eighty-eight million, seven hundred sixty-seven thousand, five hundred fifty-four".