536942640 has 80 divisors (see below), whose sum is σ = 1792572768. Its totient is φ = 132169728.

The previous prime is 536942633. The next prime is 536942663. The reversal of 536942640 is 46249635.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 82929 + ... + 89168.

Almost surely, 2^536942640 is an apocalyptic number.

It is an amenable number.

536942640 is an abundant number, since it is smaller than the sum of its proper divisors (1255630128).

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

536942640 is a wasteful number, since it uses less digits than its factorization.

536942640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172126 (or 172120 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 536942640 is about 23172.0227861100. The cubic root of 536942640 is about 812.7855324656.

The spelling of 536942640 in words is "five hundred thirty-six million, nine hundred forty-two thousand, six hundred forty".