40106658402 has 48 divisors (see below), whose sum is σ = 91658005920. Its totient is φ = 12639412800.

The previous prime is 40106658401. The next prime is 40106658419. The reversal of 40106658402 is 20485660104.

40106658402 is a `hidden beast` number, since 4 + 0 + 10 + 66 + 584 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (40106658401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48502 + ... + 287342.

It is an arithmetic number, because the mean of its divisors is an integer number (1909541790).

Almost surely, 2^40106658402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40106658402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45829002960).

40106658402 is an abundant number, since it is smaller than the sum of its proper divisors (51551347518).

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

40106658402 is a wasteful number, since it uses less digits than its factorization.

40106658402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239359 (or 239356 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 40106658402 in words is "forty billion, one hundred six million, six hundred fifty-eight thousand, four hundred two".