40851468 has 36 divisors (see below), whose sum is σ = 118016080. Its totient is φ = 11671776.

The previous prime is 40851467. The next prime is 40851469. The reversal of 40851468 is 86415804.

It is an interprime number because it is at equal distance from previous prime (40851467) and next prime (40851469).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40851467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80803 + ... + 81306.

Almost surely, 2^40851468 is an apocalyptic number.

It is an amenable number.

40851468 is an abundant number, since it is smaller than the sum of its proper divisors (77164612).

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

40851468 is a wasteful number, since it uses less digits than its factorization.

40851468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162126 (or 162121 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 40851468 is about 6391.5153132884. The cubic root of 40851468 is about 344.4048213257.

The spelling of 40851468 in words is "forty million, eight hundred fifty-one thousand, four hundred sixty-eight".