3625401540 has 48 divisors (see below), whose sum is σ = 10154289600. Its totient is φ = 966472320.

The previous prime is 3625401539. The next prime is 3625401569. The reversal of 3625401540 is 451045263.

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

It is a junction number, because it is equal to n+sod(n) for n = 3625401498 and 3625401507.

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, 238570 + ... + 253310.

It is an arithmetic number, because the mean of its divisors is an integer number (211547700).

Almost surely, 2^3625401540 is an apocalyptic number.

3625401540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3625401540 is an abundant number, since it is smaller than the sum of its proper divisors (6528888060).

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

3625401540 is a wasteful number, since it uses less digits than its factorization.

3625401540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18852 (or 18850 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3625401540 is about 60211.3074098213. The cubic root of 3625401540 is about 1536.2151306613.

The spelling of 3625401540 in words is "three billion, six hundred twenty-five million, four hundred one thousand, five hundred forty".