2045625400 has 96 divisors (see below), whose sum is σ = 5853687840. Its totient is φ = 647400960.

The previous prime is 2045625397. The next prime is 2045625431. The reversal of 2045625400 is 45265402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37999 + ... + 74398.

It is an arithmetic number, because the mean of its divisors is an integer number (60975915).

Almost surely, 2^2045625400 is an apocalyptic number.

2045625400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045625400 is an abundant number, since it is smaller than the sum of its proper divisors (3808062440).

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

2045625400 is a wasteful number, since it uses less digits than its factorization.

2045625400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112433 (or 112424 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2045625400 is about 45228.5905152924. The cubic root of 2045625400 is about 1269.4298389271.

The spelling of 2045625400 in words is "two billion, forty-five million, six hundred twenty-five thousand, four hundred".