1625016404 has 36 divisors (see below), whose sum is σ = 3205689984. Its totient is φ = 714798000.

The previous prime is 1625016403. The next prime is 1625016443. The reversal of 1625016404 is 4046105261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625016403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23069 + ... + 61499.

It is an arithmetic number, because the mean of its divisors is an integer number (89046944).

Almost surely, 2^1625016404 is an apocalyptic number.

It is an amenable number.

1625016404 is a deficient number, since it is larger than the sum of its proper divisors (1580673580).

1625016404 is a wasteful number, since it uses less digits than its factorization.

1625016404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38508 (or 38475 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1625016404 is about 40311.4922075579. The cubic root of 1625016404 is about 1175.6712998772.

The spelling of 1625016404 in words is "one billion, six hundred twenty-five million, sixteen thousand, four hundred four".