1455479490 has 32 divisors (see below), whose sum is σ = 3515411520. Its totient is φ = 385654464.

The previous prime is 1455479461. The next prime is 1455479539. The reversal of 1455479490 is 949745541.

It is a happy number.

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, 149800 + ... + 159219.

It is an arithmetic number, because the mean of its divisors is an integer number (109856610).

Almost surely, 2^1455479490 is an apocalyptic number.

1455479490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1455479490 is an abundant number, since it is smaller than the sum of its proper divisors (2059932030).

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

1455479490 is a wasteful number, since it uses less digits than its factorization.

1455479490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309186.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 1455479490 is about 38150.7469127408. The cubic root of 1455479490 is about 1133.2751433983.

The spelling of 1455479490 in words is "one billion, four hundred fifty-five million, four hundred seventy-nine thousand, four hundred ninety".