45438204461 has 32 divisors (see below), whose sum is σ = 53430945792. Its totient is φ = 38292756480.

The previous prime is 45438204457. The next prime is 45438204499. The reversal of 45438204461 is 16440283454.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45438204461 - 2² = 45438204457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45438204431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643061 + ... + 710213.

It is an arithmetic number, because the mean of its divisors is an integer number (1669717056).

Almost surely, 2^45438204461 is an apocalyptic number.

It is an amenable number.

45438204461 is a deficient number, since it is larger than the sum of its proper divisors (7992741331).

45438204461 is a wasteful number, since it uses less digits than its factorization.

45438204461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67293.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 45438204461 in words is "forty-five billion, four hundred thirty-eight million, two hundred four thousand, four hundred sixty-one".