1465040231604 has 72 divisors (see below), whose sum is σ = 3831217572000. Its totient is φ = 471479932224.

The previous prime is 1465040231549. The next prime is 1465040231617. The reversal of 1465040231604 is 4061320405641.

1465040231604 is a `hidden beast` number, since 1 + 4 + 6 + 5 + 0 + 40 + 2 + 3 + 1 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26049987 + ... + 26106165.

Almost surely, 2^{1465040231604} is an apocalyptic number.

It is an amenable number.

1465040231604 is an abundant number, since it is smaller than the sum of its proper divisors (2366177340396).

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

1465040231604 is a wasteful number, since it uses less digits than its factorization.

1465040231604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81197 (or 81192 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1465040231604 in words is "one trillion, four hundred sixty-five billion, forty million, two hundred thirty-one thousand, six hundred four".