40885477778240 has 56 divisors (see below), whose sum is σ = 97359120122112. Its totient is φ = 16354094328320.

The previous prime is 40885477778221. The next prime is 40885477778287. The reversal of 40885477778240 is 4287777458804.

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, 81326045 + ... + 81827235.

Almost surely, 2^{40885477778240} is an apocalyptic number.

40885477778240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40885477778240 is an abundant number, since it is smaller than the sum of its proper divisors (56473642343872).

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

40885477778240 is a wasteful number, since it uses less digits than its factorization.

40885477778240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756135 (or 756125 counting only the distinct ones).

The product of its (nonzero) digits is 786759680, while the sum is 71.

The spelling of 40885477778240 in words is "forty trillion, eight hundred eighty-five billion, four hundred seventy-seven million, seven hundred seventy-eight thousand, two hundred forty".