40320486 has 12 divisors (see below), whose sum is σ = 87361092. Its totient is φ = 13440156.

The previous prime is 40320463. The next prime is 40320493. The reversal of 40320486 is 68402304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1119996 + ... + 1120031.

It is an arithmetic number, because the mean of its divisors is an integer number (7280091).

Almost surely, 2^40320486 is an apocalyptic number.

40320486 is an abundant number, since it is smaller than the sum of its proper divisors (47040606).

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

40320486 is a wasteful number, since it uses less digits than its factorization.

40320486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240035 (or 2240032 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40320486 is about 6349.8414153426. The cubic root of 40320486 is about 342.9061330293.

The spelling of 40320486 in words is "forty million, three hundred twenty thousand, four hundred eighty-six".