40246134272 has 160 divisors (see below), whose sum is σ = 84194111232. Its totient is φ = 19207512064.

The previous prime is 40246134251. The next prime is 40246134287. The reversal of 40246134272 is 27243164204.

It is a congruent number.

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, 240994733 + ... + 240994899.

Almost surely, 2^40246134272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40246134272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42097055616).

40246134272 is an abundant number, since it is smaller than the sum of its proper divisors (43947976960).

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

40246134272 is a wasteful number, since it uses less digits than its factorization.

40246134272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 40246134272 its reverse (27243164204), we get a palindrome (67489298476).

The spelling of 40246134272 in words is "forty billion, two hundred forty-six million, one hundred thirty-four thousand, two hundred seventy-two".