40077677040 has 80 divisors (see below), whose sum is σ = 124391645568. Its totient is φ = 10674404608.

The previous prime is 40077677033. The next prime is 40077677063. The reversal of 40077677040 is 4077677004.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 40077676983 and 40077677001.

It is a congruent number.

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, 97519 + ... + 299441.

Almost surely, 2^40077677040 is an apocalyptic number.

40077677040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40077677040 is an abundant number, since it is smaller than the sum of its proper divisors (84313968528).

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

40077677040 is a wasteful number, since it uses less digits than its factorization.

40077677040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202766 (or 202760 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 42.

The spelling of 40077677040 in words is "forty billion, seventy-seven million, six hundred seventy-seven thousand, forty".