40651401474 has 192 divisors, whose sum is σ = 100835804160. Its totient is φ = 12217106880.

The previous prime is 40651401457. The next prime is 40651401481. The reversal of 40651401474 is 47410415604.

It is a happy number.

40651401474 is a `hidden beast` number, since 40 + 6 + 5 + 140 + 1 + 474 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58829469 + ... + 58830159.

It is an arithmetic number, because the mean of its divisors is an integer number (525186480).

Almost surely, 2^40651401474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40651401474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50417902080).

40651401474 is an abundant number, since it is smaller than the sum of its proper divisors (60184402686).

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

40651401474 is a wasteful number, since it uses less digits than its factorization.

40651401474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 40651401474 in words is "forty billion, six hundred fifty-one million, four hundred one thousand, four hundred seventy-four".