1240492800 has 108 divisors (see below), whose sum is σ = 4093948040. Its totient is φ = 330792960.

The previous prime is 1240492783. The next prime is 1240492817. The reversal of 1240492800 is 82940421.

It is an interprime number because it is at equal distance from previous prime (1240492783) and next prime (1240492817).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13105 + ... + 51504.

Almost surely, 2^1240492800 is an apocalyptic number.

1240492800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240492800 is an abundant number, since it is smaller than the sum of its proper divisors (2853455240).

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

1240492800 is an equidigital number, since it uses as much as digits as its factorization.

1240492800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64638 (or 64619 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1240492800 is about 35220.6303180395. The cubic root of 1240492800 is about 1074.4793729213.

The spelling of 1240492800 in words is "one billion, two hundred forty million, four hundred ninety-two thousand, eight hundred".