1494923920 has 40 divisors (see below), whose sum is σ = 3972227904. Its totient is φ = 512545152.

The previous prime is 1494923897. The next prime is 1494923959. The reversal of 1494923920 is 293294941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1334194 + ... + 1335313.

Almost surely, 2^1494923920 is an apocalyptic number.

1494923920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1494923920 is an abundant number, since it is smaller than the sum of its proper divisors (2477303984).

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

1494923920 is a wasteful number, since it uses less digits than its factorization.

1494923920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669527 (or 2669521 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1494923920 is about 38664.2460161840. The cubic root of 1494923920 is about 1143.4215252307.

The spelling of 1494923920 in words is "one billion, four hundred ninety-four million, nine hundred twenty-three thousand, nine hundred twenty".