40122742270 has 64 divisors (see below), whose sum is σ = 84360237696. Its totient is φ = 13603000320.

The previous prime is 40122742267. The next prime is 40122742271. The reversal of 40122742270 is 7224722104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122742271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130794 + ... + 312013.

It is an arithmetic number, because the mean of its divisors is an integer number (1318128714).

Almost surely, 2^40122742270 is an apocalyptic number.

40122742270 is an abundant number, since it is smaller than the sum of its proper divisors (44237495426).

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

40122742270 is a wasteful number, since it uses less digits than its factorization.

40122742270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442885.

The product of its (nonzero) digits is 12544, while the sum is 31.

The spelling of 40122742270 in words is "forty billion, one hundred twenty-two million, seven hundred forty-two thousand, two hundred seventy".