4542490512 has 360 divisors, whose sum is σ = 16083375360. Its totient is φ = 1188794880.

The previous prime is 4542490507. The next prime is 4542490529. The reversal of 4542490512 is 2150942454.

It is a happy number.

4542490512 is a `hidden beast` number, since 4 + 54 + 2 + 4 + 90 + 512 = 666.

It is a super-2 number, since 2×4542490512² = 41268440103220044288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4155438 + ... + 4156530.

Almost surely, 2^4542490512 is an apocalyptic number.

4542490512 is a gapful number since it is divisible by the number (42) 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 4542490512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8041687680).

4542490512 is an abundant number, since it is smaller than the sum of its proper divisors (11540884848).

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

4542490512 is a wasteful number, since it uses less digits than its factorization.

4542490512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4542490512 is about 67398.0008012107. Note that the first 3 decimals coincide. The cubic root of 4542490512 is about 1656.1436723349.

The spelling of 4542490512 in words is "four billion, five hundred forty-two million, four hundred ninety thousand, five hundred twelve".