45269972390 has 16 divisors (see below), whose sum is σ = 84114529920. Its totient is φ = 17523860160.

The previous prime is 45269972389. The next prime is 45269972411. The reversal of 45269972390 is 9327996254.

It is a happy number.

45269972390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73015775 + ... + 73016394.

It is an arithmetic number, because the mean of its divisors is an integer number (5257158120).

Almost surely, 2^45269972390 is an apocalyptic number.

45269972390 is a deficient number, since it is larger than the sum of its proper divisors (38844557530).

45269972390 is a wasteful number, since it uses less digits than its factorization.

45269972390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146032207.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 45269972390 in words is "forty-five billion, two hundred sixty-nine million, nine hundred seventy-two thousand, three hundred ninety".