1499379800 has 24 divisors (see below), whose sum is σ = 3486058500. Its totient is φ = 599751840.

The previous prime is 1499379797. The next prime is 1499379829. The reversal of 1499379800 is 89739941.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 3748250 + ... + 3748649.

Almost surely, 2^1499379800 is an apocalyptic number.

1499379800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1499379800 is an abundant number, since it is smaller than the sum of its proper divisors (1986678700).

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

1499379800 is a wasteful number, since it uses less digits than its factorization.

1499379800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496915 (or 7496906 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1499379800 is about 38721.8258867012. The cubic root of 1499379800 is about 1144.5564537438.

The spelling of 1499379800 in words is "one billion, four hundred ninety-nine million, three hundred seventy-nine thousand, eight hundred".