1626287652 has 96 divisors (see below), whose sum is σ = 4748083200. Its totient is φ = 476906400.

The previous prime is 1626287627. The next prime is 1626287671. The reversal of 1626287652 is 2567826261.

1626287652 is a `hidden beast` number, since 16 + 2 + 628 + 7 + 6 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1626287598 and 1626287607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14749 + ... + 58907.

It is an arithmetic number, because the mean of its divisors is an integer number (49459200).

Almost surely, 2^1626287652 is an apocalyptic number.

1626287652 is a gapful number since it is divisible by the number (12) 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 1626287652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374041600).

1626287652 is an abundant number, since it is smaller than the sum of its proper divisors (3121795548).

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

1626287652 is a wasteful number, since it uses less digits than its factorization.

1626287652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44214 (or 44206 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1626287652 is about 40327.2569362212. The cubic root of 1626287652 is about 1175.9777952909.

The spelling of 1626287652 in words is "one billion, six hundred twenty-six million, two hundred eighty-seven thousand, six hundred fifty-two".