650061400 has 48 divisors (see below), whose sum is σ = 1513240200. Its totient is φ = 259706880.

The previous prime is 650061343. The next prime is 650061409. The reversal of 650061400 is 4160056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650061409) 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, 229191 + ... + 232009.

Almost surely, 2^650061400 is an apocalyptic number.

It is an amenable number.

650061400 is an abundant number, since it is smaller than the sum of its proper divisors (863178800).

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

650061400 is a wasteful number, since it uses less digits than its factorization.

650061400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 650061400 is about 25496.3016925985. The cubic root of 650061400 is about 866.2663799083.

The spelling of 650061400 in words is "six hundred fifty million, sixty-one thousand, four hundred".