61454810032 has 60 divisors (see below), whose sum is σ = 149573930128. Its totient is φ = 23943427200.

The previous prime is 61454809993. The next prime is 61454810077. The reversal of 61454810032 is 23001845416.

It is a self number, because there is not a number n which added to its sum of digits gives 61454810032.

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, 2253819 + ... + 2280922.

Almost surely, 2^61454810032 is an apocalyptic number.

It is an amenable number.

61454810032 is an abundant number, since it is smaller than the sum of its proper divisors (88119120096).

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

61454810032 is a wasteful number, since it uses less digits than its factorization.

61454810032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534778 (or 4534761 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 61454810032 in words is "sixty-one billion, four hundred fifty-four million, eight hundred ten thousand, thirty-two".