40651738307 has 4 divisors (see below), whose sum is σ = 41963084736. Its totient is φ = 39340391880.

The previous prime is 40651738277. The next prime is 40651738327. The reversal of 40651738307 is 70383715604.

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

It is a cyclic number.

It is not a de Polignac number, because 40651738307 - 2²⁴ = 40634961091 is a prime.

It is a super-2 number, since 2×40651738307² (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 (40651738327) 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, 655673168 + ... + 655673229.

It is an arithmetic number, because the mean of its divisors is an integer number (10490771184).

Almost surely, 2^40651738307 is an apocalyptic number.

40651738307 is a deficient number, since it is larger than the sum of its proper divisors (1311346429).

40651738307 is a wasteful number, since it uses less digits than its factorization.

40651738307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311346428.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 40651738307 in words is "forty billion, six hundred fifty-one million, seven hundred thirty-eight thousand, three hundred seven".