40248766237 has 4 divisors (see below), whose sum is σ = 40276354240. Its totient is φ = 40221178236.

The previous prime is 40248766231. The next prime is 40248766291. The reversal of 40248766237 is 73266784204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40248766237 is a prime.

It is a super-2 number, since 2×40248766237² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40248766231) 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, 13791813 + ... + 13794730.

It is an arithmetic number, because the mean of its divisors is an integer number (10069088560).

Almost surely, 2^40248766237 is an apocalyptic number.

It is an amenable number.

40248766237 is a deficient number, since it is larger than the sum of its proper divisors (27588003).

40248766237 is a wasteful number, since it uses less digits than its factorization.

40248766237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27588002.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 40248766237 in words is "forty billion, two hundred forty-eight million, seven hundred sixty-six thousand, two hundred thirty-seven".