61504406430 has 32 divisors (see below), whose sum is σ = 147756364704. Its totient is φ = 16384976256.

The previous prime is 61504406423. The next prime is 61504406477. The reversal of 61504406430 is 3460440516.

It is a junction number, because it is equal to n+sod(n) for n = 61504406391 and 61504406400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981529 + ... + 1042308.

It is an arithmetic number, because the mean of its divisors is an integer number (4617386397).

Almost surely, 2^61504406430 is an apocalyptic number.

61504406430 is an abundant number, since it is smaller than the sum of its proper divisors (86251958274).

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

61504406430 is a wasteful number, since it uses less digits than its factorization.

61504406430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024860.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 61504406430 its reverse (3460440516), we get a palindrome (64964846946).

The spelling of 61504406430 in words is "sixty-one billion, five hundred four million, four hundred six thousand, four hundred thirty".