3654545820400 has 60 divisors (see below), whose sum is σ = 8780319304600. Its totient is φ = 1461772880640.

The previous prime is 3654545820391. The next prime is 3654545820427. The reversal of 3654545820400 is 40285454563.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14668066 + ... + 14915134.

Almost surely, 2^{3654545820400} is an apocalyptic number.

It is an amenable number.

3654545820400 is an abundant number, since it is smaller than the sum of its proper divisors (5125773484200).

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

3654545820400 is a wasteful number, since it uses less digits than its factorization.

3654545820400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284066 (or 284055 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 3654545820400 in words is "three trillion, six hundred fifty-four billion, five hundred forty-five million, eight hundred twenty thousand, four hundred".