40706353952 has 96 divisors (see below), whose sum is σ = 90723483648. Its totient is φ = 17811360000.

The previous prime is 40706353949. The next prime is 40706353957. The reversal of 40706353952 is 25935360704.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (40706353957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2074427 + ... + 2093957.

It is an arithmetic number, because the mean of its divisors is an integer number (945036288).

Almost surely, 2^40706353952 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 40706353952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45361741824).

40706353952 is an abundant number, since it is smaller than the sum of its proper divisors (50017129696).

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

40706353952 is a wasteful number, since it uses less digits than its factorization.

40706353952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19774 (or 19766 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 40706353952 in words is "forty billion, seven hundred six million, three hundred fifty-three thousand, nine hundred fifty-two".