2925685140 has 288 divisors, whose sum is σ = 10060775424. Its totient is φ = 632459520.

The previous prime is 2925685121. The next prime is 2925685153. The reversal of 2925685140 is 415865292.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2925685092 and 2925685101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4283239 + ... + 4283921.

It is an arithmetic number, because the mean of its divisors is an integer number (34933248).

Almost surely, 2^2925685140 is an apocalyptic number.

2925685140 is a gapful number since it is divisible by the number (20) 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 2925685140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5030387712).

2925685140 is an abundant number, since it is smaller than the sum of its proper divisors (7135090284).

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

2925685140 is a wasteful number, since it uses less digits than its factorization.

2925685140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2925685140 is about 54089.6028826243. The cubic root of 2925685140 is about 1430.2409068106.

The spelling of 2925685140 in words is "two billion, nine hundred twenty-five million, six hundred eighty-five thousand, one hundred forty".