1025642616 has 32 divisors (see below), whose sum is σ = 2566636800. Its totient is φ = 341543520.

The previous prime is 1025642587. The next prime is 1025642621. The reversal of 1025642616 is 6162465201.

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, 4371 + ... + 45501.

It is an arithmetic number, because the mean of its divisors is an integer number (80207400).

Almost surely, 2^1025642616 is an apocalyptic number.

It is an amenable number.

1025642616 is an abundant number, since it is smaller than the sum of its proper divisors (1540994184).

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

1025642616 is a wasteful number, since it uses less digits than its factorization.

1025642616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42179 (or 42175 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1025642616 is about 32025.6555904793. The cubic root of 1025642616 is about 1008.4755015959.

The spelling of 1025642616 in words is "one billion, twenty-five million, six hundred forty-two thousand, six hundred sixteen".