40401146142 has 80 divisors (see below), whose sum is σ = 103500650880. Its totient is φ = 11538776592.

The previous prime is 40401146113. The next prime is 40401146143. The reversal of 40401146142 is 24164110404.

40401146142 is a `hidden beast` number, since 4 + 0 + 40 + 1 + 1 + 4 + 614 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401146143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4008193 + ... + 4018259.

It is an arithmetic number, because the mean of its divisors is an integer number (1293758136).

Almost surely, 2^40401146142 is an apocalyptic number.

40401146142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40401146142 is an abundant number, since it is smaller than the sum of its proper divisors (63099504738).

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

40401146142 is a wasteful number, since it uses less digits than its factorization.

40401146142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13627 (or 13618 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 40401146142 its reverse (24164110404), we get a palindrome (64565256546).

The spelling of 40401146142 in words is "forty billion, four hundred one million, one hundred forty-six thousand, one hundred forty-two".