45378350250618 has 64 divisors (see below), whose sum is σ = 113350071444480. Its totient is φ = 11765869852800.

The previous prime is 45378350250581. The next prime is 45378350250647. The reversal of 45378350250618 is 81605205387354.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86047788 + ... + 86573543.

It is an arithmetic number, because the mean of its divisors is an integer number (1771094866320).

Almost surely, 2^{45378350250618} is an apocalyptic number.

45378350250618 is an abundant number, since it is smaller than the sum of its proper divisors (67971721193862).

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

45378350250618 is a wasteful number, since it uses less digits than its factorization.

45378350250618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172621923.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 45378350250618 in words is "forty-five trillion, three hundred seventy-eight billion, three hundred fifty million, two hundred fifty thousand, six hundred eighteen".