61623035400 has 48 divisors (see below), whose sum is σ = 191031411600. Its totient is φ = 16432809280.

The previous prime is 61623035387. The next prime is 61623035401. The reversal of 61623035400 is 453032616.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (61623035401) 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, 51351930 + ... + 51353129.

It is an arithmetic number, because the mean of its divisors is an integer number (3979821075).

Almost surely, 2^61623035400 is an apocalyptic number.

61623035400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61623035400 is an abundant number, since it is smaller than the sum of its proper divisors (129408376200).

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

61623035400 is a wasteful number, since it uses less digits than its factorization.

61623035400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102705078 (or 102705069 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 61623035400 in words is "sixty-one billion, six hundred twenty-three million, thirty-five thousand, four hundred".