1625126240 has 48 divisors (see below), whose sum is σ = 4041439920. Its totient is φ = 615836160.

The previous prime is 1625126231. The next prime is 1625126287. The reversal of 1625126240 is 426215261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264251 + ... + 270330.

It is an arithmetic number, because the mean of its divisors is an integer number (84196665).

Almost surely, 2^1625126240 is an apocalyptic number.

1625126240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625126240 is an abundant number, since it is smaller than the sum of its proper divisors (2416313680).

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

1625126240 is a wasteful number, since it uses less digits than its factorization.

1625126240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534615 (or 534607 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1625126240 is about 40312.8545255729. The cubic root of 1625126240 is about 1175.6977874301.

The spelling of 1625126240 in words is "one billion, six hundred twenty-five million, one hundred twenty-six thousand, two hundred forty".