40158963246 has 32 divisors (see below), whose sum is σ = 81747457920. Its totient is φ = 13148445024.

The previous prime is 40158963233. The next prime is 40158963277. The reversal of 40158963246 is 64236985104.

It is a super-2 number, since 2×40158963246² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40158963195 and 40158963204.

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 15 ways as a sum of consecutive naturals, for example, 382641 + ... + 476163.

It is an arithmetic number, because the mean of its divisors is an integer number (2554608060).

Almost surely, 2^40158963246 is an apocalyptic number.

40158963246 is an abundant number, since it is smaller than the sum of its proper divisors (41588494674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40158963246 is a wasteful number, since it uses less digits than its factorization.

40158963246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94800.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 40158963246 in words is "forty billion, one hundred fifty-eight million, nine hundred sixty-three thousand, two hundred forty-six".