1625620350 has 24 divisors (see below), whose sum is σ = 4031538840. Its totient is φ = 433498720.

The previous prime is 1625620313. The next prime is 1625620463. The reversal of 1625620350 is 530265261.

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 11 ways as a sum of consecutive naturals, for example, 5418585 + ... + 5418884.

It is an arithmetic number, because the mean of its divisors is an integer number (167980785).

Almost surely, 2^1625620350 is an apocalyptic number.

1625620350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1625620350 is an abundant number, since it is smaller than the sum of its proper divisors (2405918490).

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

1625620350 is a wasteful number, since it uses less digits than its factorization.

1625620350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837484 (or 10837479 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1625620350 is about 40318.9825020424. The cubic root of 1625620350 is about 1175.8169300037.

The spelling of 1625620350 in words is "one billion, six hundred twenty-five million, six hundred twenty thousand, three hundred fifty".