1625416500 has 48 divisors (see below), whose sum is σ = 4733217216. Its totient is φ = 433444000.

The previous prime is 1625416453. The next prime is 1625416519. The reversal of 1625416500 is 56145261.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540306 + ... + 543305.

It is an arithmetic number, because the mean of its divisors is an integer number (98608692).

Almost surely, 2^1625416500 is an apocalyptic number.

1625416500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625416500 is an abundant number, since it is smaller than the sum of its proper divisors (3107800716).

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

1625416500 is a wasteful number, since it uses less digits than its factorization.

1625416500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083633 (or 1083621 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1625416500 is about 40316.4544572064. The cubic root of 1625416500 is about 1175.7677794747.

The spelling of 1625416500 in words is "one billion, six hundred twenty-five million, four hundred sixteen thousand, five hundred".