1625106340 has 96 divisors (see below), whose sum is σ = 4107438720. Its totient is φ = 532147200.

The previous prime is 1625106337. The next prime is 1625106359. The reversal of 1625106340 is 436015261.

It is a super-5 number, since 5×1625106340⁵ (a number of 47 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1625106299 and 1625106308.

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, 110331 + ... + 124189.

It is an arithmetic number, because the mean of its divisors is an integer number (42785820).

Almost surely, 2^1625106340 is an apocalyptic number.

1625106340 is a gapful number since it is divisible by the number (10) 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 1625106340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2053719360).

1625106340 is an abundant number, since it is smaller than the sum of its proper divisors (2482332380).

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

1625106340 is a wasteful number, since it uses less digits than its factorization.

1625106340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13933 (or 13931 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1625106340 is about 40312.6077052825. The cubic root of 1625106340 is about 1175.6929885247.

The spelling of 1625106340 in words is "one billion, six hundred twenty-five million, one hundred six thousand, three hundred forty".