502451940 has 24 divisors (see below), whose sum is σ = 1406865600. Its totient is φ = 133987168.

The previous prime is 502451933. The next prime is 502451953. The reversal of 502451940 is 49154205.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 502451898 and 502451907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4187040 + ... + 4187159.

It is an arithmetic number, because the mean of its divisors is an integer number (58619400).

Almost surely, 2^502451940 is an apocalyptic number.

It is an amenable number.

502451940 is an abundant number, since it is smaller than the sum of its proper divisors (904413660).

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

502451940 is a wasteful number, since it uses less digits than its factorization.

502451940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374211 (or 8374209 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 502451940 is about 22415.4397681598. The cubic root of 502451940 is about 794.9958150169.

The spelling of 502451940 in words is "five hundred two million, four hundred fifty-one thousand, nine hundred forty".