40022551240 has 192 divisors, whose sum is σ = 114495690240. Its totient is φ = 12497909760.

The previous prime is 40022551213. The next prime is 40022551259. The reversal of 40022551240 is 4215522004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1013547 + ... + 1052293.

It is an arithmetic number, because the mean of its divisors is an integer number (596331720).

Almost surely, 2^40022551240 is an apocalyptic number.

40022551240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40022551240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57247845120).

40022551240 is an abundant number, since it is smaller than the sum of its proper divisors (74473139000).

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

40022551240 is a wasteful number, since it uses less digits than its factorization.

40022551240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38820 (or 38809 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 40022551240 in words is "forty billion, twenty-two million, five hundred fifty-one thousand, two hundred forty".