40780274540 has 12 divisors (see below), whose sum is σ = 85638576576. Its totient is φ = 16312109808.

The previous prime is 40780274477. The next prime is 40780274569. The reversal of 40780274540 is 4547208704.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019506844 + ... + 1019506883.

It is an arithmetic number, because the mean of its divisors is an integer number (7136548048).

Almost surely, 2^40780274540 is an apocalyptic number.

It is an amenable number.

40780274540 is an abundant number, since it is smaller than the sum of its proper divisors (44858302036).

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

40780274540 is a wasteful number, since it uses less digits than its factorization.

40780274540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039013736 (or 2039013734 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The spelling of 40780274540 in words is "forty billion, seven hundred eighty million, two hundred seventy-four thousand, five hundred forty".