40030561450 has 48 divisors (see below), whose sum is σ = 81251745984. Its totient is φ = 14551891200.

The previous prime is 40030561433. The next prime is 40030561451. The reversal of 40030561450 is 5416503004.

It is a super-2 number, since 2×40030561450² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40030561451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2023507 + ... + 2043193.

It is an arithmetic number, because the mean of its divisors is an integer number (1692744708).

Almost surely, 2^40030561450 is an apocalyptic number.

40030561450 is an abundant number, since it is smaller than the sum of its proper divisors (41221184534).

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

40030561450 is a wasteful number, since it uses less digits than its factorization.

40030561450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23407 (or 23402 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 40030561450 in words is "forty billion, thirty million, five hundred sixty-one thousand, four hundred fifty".