61290292944 has 40 divisors (see below), whose sum is σ = 163440785152. Its totient is φ = 19771061760.

The previous prime is 61290292927. The next prime is 61290292963. The reversal of 61290292944 is 44929209216.

61290292944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61290292944³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 61290292893 and 61290292902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20593369 + ... + 20596344.

Almost surely, 2^61290292944 is an apocalyptic number.

It is an amenable number.

61290292944 is an abundant number, since it is smaller than the sum of its proper divisors (102150492208).

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

61290292944 is a wasteful number, since it uses less digits than its factorization.

61290292944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41189755 (or 41189749 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 61290292944 in words is "sixty-one billion, two hundred ninety million, two hundred ninety-two thousand, nine hundred forty-four".