40780037 has 8 divisors (see below), whose sum is σ = 41433600. Its totient is φ = 40130064.

The previous prime is 40780009. The next prime is 40780049. The reversal of 40780037 is 73008704.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40780037 is a prime.

It is a super-2 number, since 2×40780037² = 3326022835442738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40779991 and 40780009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40780007) 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, 30068 + ... + 31394.

It is an arithmetic number, because the mean of its divisors is an integer number (5179200).

Almost surely, 2^40780037 is an apocalyptic number.

It is an amenable number.

40780037 is a deficient number, since it is larger than the sum of its proper divisors (653563).

40780037 is a wasteful number, since it uses less digits than its factorization.

40780037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40780037 is about 6385.9249134327. The cubic root of 40780037 is about 344.2039673966.

The spelling of 40780037 in words is "forty million, seven hundred eighty thousand, thirty-seven".