40427306357 has 2 divisors, whose sum is σ = 40427306358. Its totient is φ = 40427306356.

The previous prime is 40427306317. The next prime is 40427306527. The reversal of 40427306357 is 75360372404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39156098641 + 1271207716 = 197879^2 + 35654^2 .

It is a cyclic number.

It is not a de Polignac number, because 40427306357 - 2¹⁸ = 40427044213 is a prime.

It is a super-2 number, since 2×40427306357² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40427306317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20213653178 + 20213653179.

It is an arithmetic number, because the mean of its divisors is an integer number (20213653179).

Almost surely, 2^40427306357 is an apocalyptic number.

It is an amenable number.

40427306357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40427306357 is an equidigital number, since it uses as much as digits as its factorization.

40427306357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 40427306357 in words is "forty billion, four hundred twenty-seven million, three hundred six thousand, three hundred fifty-seven".