40747678384 has 40 divisors (see below), whose sum is σ = 91103018240. Its totient is φ = 17293739328.

The previous prime is 40747678339. The next prime is 40747678417. The reversal of 40747678384 is 48387674704.

It is a happy 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, 1754574 + ... + 1777645.

It is an arithmetic number, because the mean of its divisors is an integer number (2277575456).

Almost surely, 2^40747678384 is an apocalyptic number.

It is an amenable number.

40747678384 is an abundant number, since it is smaller than the sum of its proper divisors (50355339856).

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

40747678384 is a wasteful number, since it uses less digits than its factorization.

40747678384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532337 (or 3532331 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 58.

The spelling of 40747678384 in words is "forty billion, seven hundred forty-seven million, six hundred seventy-eight thousand, three hundred eighty-four".