40145722790 has 8 divisors (see below), whose sum is σ = 72262301040. Its totient is φ = 16058289112.

The previous prime is 40145722789. The next prime is 40145722843. The reversal of 40145722790 is 9722754104.

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

It is a super-2 number, since 2×40145722790² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007286130 + ... + 2007286149.

It is an arithmetic number, because the mean of its divisors is an integer number (9032787630).

Almost surely, 2^40145722790 is an apocalyptic number.

40145722790 is a deficient number, since it is larger than the sum of its proper divisors (32116578250).

40145722790 is a wasteful number, since it uses less digits than its factorization.

40145722790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014572286.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 40145722790 in words is "forty billion, one hundred forty-five million, seven hundred twenty-two thousand, seven hundred ninety".