40152508646 has 16 divisors (see below), whose sum is σ = 61519452480. Its totient is φ = 19649023080.

The previous prime is 40152508633. The next prime is 40152508657. The reversal of 40152508646 is 64680525104.

It is a super-2 number, since 2×40152508646² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722720 + ... + 776291.

It is an arithmetic number, because the mean of its divisors is an integer number (3844965780).

Almost surely, 2^40152508646 is an apocalyptic number.

40152508646 is a deficient number, since it is larger than the sum of its proper divisors (21366943834).

40152508646 is a wasteful number, since it uses less digits than its factorization.

40152508646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499299.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 40152508646 in words is "forty billion, one hundred fifty-two million, five hundred eight thousand, six hundred forty-six".