40053470436 has 288 divisors, whose sum is σ = 124634065920. Its totient is φ = 11083226112.

The previous prime is 40053470411. The next prime is 40053470447. The reversal of 40053470436 is 63407435004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40053470436.

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, 65985645 + ... + 65986251.

Almost surely, 2^40053470436 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 40053470436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62317032960).

40053470436 is an abundant number, since it is smaller than the sum of its proper divisors (84580595484).

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

40053470436 is a wasteful number, since it uses less digits than its factorization.

40053470436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 40053470436 in words is "forty billion, fifty-three million, four hundred seventy thousand, four hundred thirty-six".