264401532 has 18 divisors (see below), whose sum is σ = 668348408. Its totient is φ = 88133832.

The previous prime is 264401521. The next prime is 264401567. The reversal of 264401532 is 235104462.

264401532 is a `hidden beast` number, since 2 + 644 + 0 + 15 + 3 + 2 = 666.

264401532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 264401496 and 264401505.

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, 3672208 + ... + 3672279.

Almost surely, 2^264401532 is an apocalyptic number.

It is an amenable number.

264401532 is an abundant number, since it is smaller than the sum of its proper divisors (403946876).

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

264401532 is a wasteful number, since it uses less digits than its factorization.

264401532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344497 (or 7344492 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 264401532 is about 16260.4284076404. The cubic root of 264401532 is about 641.8319355108.

Adding to 264401532 its reverse (235104462), we get a palindrome (499505994).

It can be divided in two parts, 26440 and 1532, that added together give a palindrome (27972).

The spelling of 264401532 in words is "two hundred sixty-four million, four hundred one thousand, five hundred thirty-two".