1552742496 has 72 divisors (see below), whose sum is σ = 4456211760. Its totient is φ = 512822016.

The previous prime is 1552742479. The next prime is 1552742507. The reversal of 1552742496 is 6942472551.

1552742496 is a `hidden beast` number, since 1 + 552 + 7 + 4 + 2 + 4 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1552742496² = 4822018517768620032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6661 + ... + 56123.

It is an arithmetic number, because the mean of its divisors is an integer number (61891830).

Almost surely, 2^1552742496 is an apocalyptic number.

1552742496 is a gapful number since it is divisible by the number (16) 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 1552742496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228105880).

1552742496 is an abundant number, since it is smaller than the sum of its proper divisors (2903469264).

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

1552742496 is a wasteful number, since it uses less digits than its factorization.

1552742496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49588 (or 49577 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 1552742496 is about 39404.8537111864. The cubic root of 1552742496 is about 1157.9766789938.

The spelling of 1552742496 in words is "one billion, five hundred fifty-two million, seven hundred forty-two thousand, four hundred ninety-six".