40401847320 has 64 divisors (see below), whose sum is σ = 121708556640. Its totient is φ = 10729113600.

The previous prime is 40401847319. The next prime is 40401847333. The reversal of 40401847320 is 2374810404.

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, 669591 + ... + 727430.

Almost surely, 2^40401847320 is an apocalyptic number.

40401847320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40401847320 is an abundant number, since it is smaller than the sum of its proper divisors (81306709320).

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

40401847320 is a wasteful number, since it uses less digits than its factorization.

40401847320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397276 (or 1397272 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 40401847320 in words is "forty billion, four hundred one million, eight hundred forty-seven thousand, three hundred twenty".