40189015292 has 6 divisors (see below), whose sum is σ = 70330776768. Its totient is φ = 20094507644.

The previous prime is 40189015261. The next prime is 40189015297. The reversal of 40189015292 is 29251098104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40189015297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5023626908 + ... + 5023626915.

It is an arithmetic number, because the mean of its divisors is an integer number (11721796128).

Almost surely, 2^40189015292 is an apocalyptic number.

It is an amenable number.

40189015292 is a deficient number, since it is larger than the sum of its proper divisors (30141761476).

40189015292 is a wasteful number, since it uses less digits than its factorization.

40189015292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047253827 (or 10047253825 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 40189015292 in words is "forty billion, one hundred eighty-nine million, fifteen thousand, two hundred ninety-two".