40646212575 has 48 divisors (see below), whose sum is σ = 67531677696. Its totient is φ = 21571792000.

The previous prime is 40646212567. The next prime is 40646212583. The reversal of 40646212575 is 57521264604.

It is an interprime number because it is at equal distance from previous prime (40646212567) and next prime (40646212583).

It is not a de Polignac number, because 40646212575 - 2³ = 40646212567 is a prime.

It is a super-2 number, since 2×40646212575² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25292422 + ... + 25294028.

It is an arithmetic number, because the mean of its divisors is an integer number (1406909952).

Almost surely, 2^40646212575 is an apocalyptic number.

40646212575 is a deficient number, since it is larger than the sum of its proper divisors (26885465121).

40646212575 is a wasteful number, since it uses less digits than its factorization.

40646212575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 40646212575 in words is "forty billion, six hundred forty-six million, two hundred twelve thousand, five hundred seventy-five".