40261312037 has 8 divisors (see below), whose sum is σ = 42383350560. Its totient is φ = 38139575760.

The previous prime is 40261312033. The next prime is 40261312051. The reversal of 40261312037 is 73021316204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40261312037 - 2² = 40261312033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40261312033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229487 + ... + 364947.

It is an arithmetic number, because the mean of its divisors is an integer number (5297918820).

Almost surely, 2^40261312037 is an apocalyptic number.

It is an amenable number.

40261312037 is a deficient number, since it is larger than the sum of its proper divisors (2122038523).

40261312037 is a wasteful number, since it uses less digits than its factorization.

40261312037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151123.

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 40261312037 in words is "forty billion, two hundred sixty-one million, three hundred twelve thousand, thirty-seven".