1455879800 has 72 divisors (see below), whose sum is σ = 3427105800. Its totient is φ = 575182080.

The previous prime is 1455879757. The next prime is 1455879809. The reversal of 1455879800 is 89785541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455879809) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1583741 + ... + 1584659.

Almost surely, 2^1455879800 is an apocalyptic number.

1455879800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455879800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713552900).

1455879800 is an abundant number, since it is smaller than the sum of its proper divisors (1971226000).

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

1455879800 is an equidigital number, since it uses as much as digits as its factorization.

1455879800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 1455879800 is about 38155.9929762023. The cubic root of 1455879800 is about 1133.3790312216.

The spelling of 1455879800 in words is "one billion, four hundred fifty-five million, eight hundred seventy-nine thousand, eight hundred".