40401330140 has 24 divisors (see below), whose sum is σ = 85462089552. Its totient is φ = 16042570880.

The previous prime is 40401330037. The next prime is 40401330157. The reversal of 40401330140 is 4103310404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7369766 + ... + 7375245.

It is an arithmetic number, because the mean of its divisors is an integer number (3560920398).

Almost surely, 2^40401330140 is an apocalyptic number.

It is an amenable number.

40401330140 is an abundant number, since it is smaller than the sum of its proper divisors (45060759412).

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

40401330140 is a wasteful number, since it uses less digits than its factorization.

40401330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14745157 (or 14745155 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40401330140 its reverse (4103310404), we get a palindrome (44504640544).

The spelling of 40401330140 in words is "forty billion, four hundred one million, three hundred thirty thousand, one hundred forty".