40747047408 has 50 divisors (see below), whose sum is σ = 117933780624. Its totient is φ = 13582348704.

The previous prime is 40747047347. The next prime is 40747047421. The reversal of 40747047408 is 80474074704.

40747047408 is a `hidden beast` number, since 40 + 74 + 70 + 474 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15719016 + ... + 15721607.

Almost surely, 2^40747047408 is an apocalyptic number.

40747047408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40747047408 is an abundant number, since it is smaller than the sum of its proper divisors (77186733216).

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

40747047408 is a wasteful number, since it uses less digits than its factorization.

40747047408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31440643 (or 31440628 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The spelling of 40747047408 in words is "forty billion, seven hundred forty-seven million, forty-seven thousand, four hundred eight".