361554407040 has 64 divisors (see below), whose sum is σ = 1152454678560. Its totient is φ = 96414508032.

The previous prime is 361554406999. The next prime is 361554407041. The reversal of 361554407040 is 40704455163.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 361554407040.

It is not an unprimeable number, because it can be changed into a prime (361554407041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94152874 + ... + 94156713.

Almost surely, 2^361554407040 is an apocalyptic number.

361554407040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361554407040 is an abundant number, since it is smaller than the sum of its proper divisors (790900271520).

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

361554407040 is a wasteful number, since it uses less digits than its factorization.

361554407040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188309609 (or 188309597 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 361554407040 in words is "three hundred sixty-one billion, five hundred fifty-four million, four hundred seven thousand, forty".