40401422436 has 12 divisors (see below), whose sum is σ = 94269985712. Its totient is φ = 13467140808.

The previous prime is 40401422423. The next prime is 40401422443. The reversal of 40401422436 is 63422410404.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683392590 + ... + 1683392613.

Almost surely, 2^40401422436 is an apocalyptic number.

It is an amenable number.

40401422436 is an abundant number, since it is smaller than the sum of its proper divisors (53868563276).

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

40401422436 is a wasteful number, since it uses less digits than its factorization.

40401422436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366785210 (or 3366785208 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 40401422436 in words is "forty billion, four hundred one million, four hundred twenty-two thousand, four hundred thirty-six".