61674421400 has 24 divisors (see below), whose sum is σ = 143393030220. Its totient is φ = 24669768480.

The previous prime is 61674421399. The next prime is 61674421411. The reversal of 61674421400 is 412447616.

61674421400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154185854 + ... + 154186253.

Almost surely, 2^61674421400 is an apocalyptic number.

It is an amenable number.

61674421400 is an abundant number, since it is smaller than the sum of its proper divisors (81718608820).

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

61674421400 is a wasteful number, since it uses less digits than its factorization.

61674421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308372123 (or 308372114 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 61674421400 in words is "sixty-one billion, six hundred seventy-four million, four hundred twenty-one thousand, four hundred".