45840578902 has 8 divisors (see below), whose sum is σ = 70223865696. Its totient is φ = 22432623672.

The previous prime is 45840578879. The next prime is 45840578909. The reversal of 45840578902 is 20987504854.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45840578902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840578909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243832773 + ... + 243832960.

It is an arithmetic number, because the mean of its divisors is an integer number (8777983212).

Almost surely, 2^45840578902 is an apocalyptic number.

45840578902 is a deficient number, since it is larger than the sum of its proper divisors (24383286794).

45840578902 is a wasteful number, since it uses less digits than its factorization.

45840578902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487665782.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 45840578902 in words is "forty-five billion, eight hundred forty million, five hundred seventy-eight thousand, nine hundred two".