61042493952 has 120 divisors (see below), whose sum is σ = 192188636640. Its totient is φ = 18497710080.

The previous prime is 61042493951. The next prime is 61042494013. The reversal of 61042493952 is 25939424016.

61042493952 is a `hidden beast` number, since 6 + 10 + 4 + 249 + 395 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61042493898 and 61042493907.

It is not an unprimeable number, because it can be changed into a prime (61042493951) 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, 551452 + ... + 652827.

It is an arithmetic number, because the mean of its divisors is an integer number (1601571972).

Almost surely, 2^61042493952 is an apocalyptic number.

It is an amenable number.

61042493952 is an abundant number, since it is smaller than the sum of its proper divisors (131146142688).

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

61042493952 is a wasteful number, since it uses less digits than its factorization.

61042493952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204314 (or 1204295 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 61042493952 in words is "sixty-one billion, forty-two million, four hundred ninety-three thousand, nine hundred fifty-two".