407990447493 has 16 divisors (see below), whose sum is σ = 584801541120. Its totient is φ = 252195661296.

The previous prime is 407990447483. The next prime is 407990447521. The reversal of 407990447493 is 394744099704.

407990447493 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 407990447493 - 2¹⁷ = 407990316421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407990447483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76143355 + ... + 76148712.

It is an arithmetic number, because the mean of its divisors is an integer number (36550096320).

Almost surely, 2^407990447493 is an apocalyptic number.

It is an amenable number.

407990447493 is a deficient number, since it is larger than the sum of its proper divisors (176811093627).

407990447493 is a wasteful number, since it uses less digits than its factorization.

407990447493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152292136.

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 407990447493 in words is "four hundred seven billion, nine hundred ninety million, four hundred forty-seven thousand, four hundred ninety-three".