61405432232 has 8 divisors (see below), whose sum is σ = 115135185450. Its totient is φ = 30702716112.

The previous prime is 61405432181. The next prime is 61405432241. The reversal of 61405432232 is 23223450416.

It can be written as a sum of positive squares in only one way, i.e., 41260171876 + 20145260356 = 203126^2 + 141934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3837839507 + ... + 3837839522.

Almost surely, 2^61405432232 is an apocalyptic number.

It is an amenable number.

61405432232 is a deficient number, since it is larger than the sum of its proper divisors (53729753218).

61405432232 is a wasteful number, since it uses less digits than its factorization.

61405432232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675679035 (or 7675679031 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 61405432232 its reverse (23223450416), we get a palindrome (84628882648).

The spelling of 61405432232 in words is "sixty-one billion, four hundred five million, four hundred thirty-two thousand, two hundred thirty-two".