40302240132 has 48 divisors (see below), whose sum is σ = 117242883072. Its totient is φ = 10468114080.

The previous prime is 40302240101. The next prime is 40302240217. The reversal of 40302240132 is 23104220304.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40302240099 and 40302240108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21807648 + ... + 21809495.

It is an arithmetic number, because the mean of its divisors is an integer number (2442560064).

Almost surely, 2^40302240132 is an apocalyptic number.

40302240132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40302240132 is an abundant number, since it is smaller than the sum of its proper divisors (76940642940).

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

40302240132 is a wasteful number, since it uses less digits than its factorization.

40302240132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43617168 (or 43617166 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40302240132 its reverse (23104220304), we get a palindrome (63406460436).

The spelling of 40302240132 in words is "forty billion, three hundred two million, two hundred forty thousand, one hundred thirty-two".