45214278420 has 24 divisors (see below), whose sum is σ = 126599979744. Its totient is φ = 12057140896.

The previous prime is 45214278409. The next prime is 45214278457. The reversal of 45214278420 is 2487241254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376785594 + ... + 376785713.

It is an arithmetic number, because the mean of its divisors is an integer number (5274999156).

Almost surely, 2^45214278420 is an apocalyptic number.

It is an amenable number.

45214278420 is an abundant number, since it is smaller than the sum of its proper divisors (81385701324).

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

45214278420 is a wasteful number, since it uses less digits than its factorization.

45214278420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753571319 (or 753571317 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 39.

The spelling of 45214278420 in words is "forty-five billion, two hundred fourteen million, two hundred seventy-eight thousand, four hundred twenty".