40144602630 has 128 divisors (see below), whose sum is σ = 107752550400. Its totient is φ = 9487820160.

The previous prime is 40144602623. The next prime is 40144602653. The reversal of 40144602630 is 3620644104.

It is a super-2 number, since 2×40144602630² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8497449 + ... + 8502171.

It is an arithmetic number, because the mean of its divisors is an integer number (841816800).

Almost surely, 2^40144602630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40144602630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53876275200).

40144602630 is an abundant number, since it is smaller than the sum of its proper divisors (67607947770).

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

40144602630 is a wasteful number, since it uses less digits than its factorization.

40144602630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 40144602630 in words is "forty billion, one hundred forty-four million, six hundred two thousand, six hundred thirty".