1625414240 has 24 divisors (see below), whose sum is σ = 3840041520. Its totient is φ = 650165632.

The previous prime is 1625414191. The next prime is 1625414257. The reversal of 1625414240 is 424145261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5079260 + ... + 5079579.

It is an arithmetic number, because the mean of its divisors is an integer number (160001730).

Almost surely, 2^1625414240 is an apocalyptic number.

1625414240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625414240 is an abundant number, since it is smaller than the sum of its proper divisors (2214627280).

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

1625414240 is a wasteful number, since it uses less digits than its factorization.

1625414240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158854 (or 10158846 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1625414240 is about 40316.4264289384. The cubic root of 1625414240 is about 1175.7672345402.

The spelling of 1625414240 in words is "one billion, six hundred twenty-five million, four hundred fourteen thousand, two hundred forty".