61406311213424 has 40 divisors (see below), whose sum is σ = 125515479330000. Its totient is φ = 29022417801216.

The previous prime is 61406311213391. The next prime is 61406311213433. The reversal of 61406311213424 is 42431211360416.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 224801639 + ... + 225074630.

It is an arithmetic number, because the mean of its divisors is an integer number (3137886983250).

Almost surely, 2^{61406311213424} is an apocalyptic number.

It is an amenable number.

61406311213424 is an abundant number, since it is smaller than the sum of its proper divisors (64109168116576).

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

61406311213424 is a wasteful number, since it uses less digits than its factorization.

61406311213424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449876745 (or 449876739 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 61406311213424 in words is "sixty-one trillion, four hundred six billion, three hundred eleven million, two hundred thirteen thousand, four hundred twenty-four".