40553306934 has 64 divisors (see below), whose sum is σ = 96947794944. Its totient is φ = 11057181696.

The previous prime is 40553306933. The next prime is 40553306947. The reversal of 40553306934 is 43960335504.

It is a happy number.

40553306934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40553306933) 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, 369802 + ... + 466754.

It is an arithmetic number, because the mean of its divisors is an integer number (1514809296).

Almost surely, 2^40553306934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40553306934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48473897472).

40553306934 is an abundant number, since it is smaller than the sum of its proper divisors (56394488010).

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

40553306934 is a wasteful number, since it uses less digits than its factorization.

40553306934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97421.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 40553306934 in words is "forty billion, five hundred fifty-three million, three hundred six thousand, nine hundred thirty-four".