40146758340220 has 72 divisors (see below), whose sum is σ = 98092223979120. Its totient is φ = 13761876038400.

The previous prime is 40146758340043. The next prime is 40146758340229. The reversal of 40146758340220 is 2204385764104.

It is a super-2 number, since 2×40146758340220² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40146758340229) 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, 894736 + ... + 9005224.

It is an arithmetic number, because the mean of its divisors is an integer number (1362391999710).

Almost surely, 2^{40146758340220} is an apocalyptic number.

It is an amenable number.

40146758340220 is an abundant number, since it is smaller than the sum of its proper divisors (57945465638900).

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

40146758340220 is a wasteful number, since it uses less digits than its factorization.

40146758340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115563 (or 8115554 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 40146758340220 in words is "forty trillion, one hundred forty-six billion, seven hundred fifty-eight million, three hundred forty thousand, two hundred twenty".