1492458840 has 96 divisors (see below), whose sum is σ = 4859122320. Its totient is φ = 397281024.

The previous prime is 1492458829. The next prime is 1492458841. The reversal of 1492458840 is 488542941.

1492458840 is a `hidden beast` number, since 1 + 4 + 9 + 24 + 588 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492458841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217299 + ... + 224061.

Almost surely, 2^1492458840 is an apocalyptic number.

1492458840 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 1492458840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429561160).

1492458840 is an abundant number, since it is smaller than the sum of its proper divisors (3366663480).

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

1492458840 is a wasteful number, since it uses less digits than its factorization.

1492458840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7393 (or 7386 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 1492458840 is about 38632.3548337401. The cubic root of 1492458840 is about 1142.7926913951.

The spelling of 1492458840 in words is "one billion, four hundred ninety-two million, four hundred fifty-eight thousand, eight hundred forty".