40611928619 has 4 divisors (see below), whose sum is σ = 40613389440. Its totient is φ = 40610467800.

The previous prime is 40611928583. The next prime is 40611928627. The reversal of 40611928619 is 91682911604.

40611928619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40611928619 is a prime.

It is a super-2 number, since 2×40611928619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40611928649) 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, 687884 + ... + 744585.

It is an arithmetic number, because the mean of its divisors is an integer number (10153347360).

Almost surely, 2^40611928619 is an apocalyptic number.

40611928619 is a deficient number, since it is larger than the sum of its proper divisors (1460821).

40611928619 is a wasteful number, since it uses less digits than its factorization.

40611928619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460820.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 40611928619 in words is "forty billion, six hundred eleven million, nine hundred twenty-eight thousand, six hundred nineteen".