40747047406 has 32 divisors (see below), whose sum is σ = 67262307840. Its totient is φ = 18399261024.

The previous prime is 40747047347. The next prime is 40747047421. The reversal of 40747047406 is 60474074704.

It is a super-4 number, since 4×40747047406⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130615 + ... + 313933.

It is an arithmetic number, because the mean of its divisors is an integer number (2101947120).

Almost surely, 2^40747047406 is an apocalyptic number.

40747047406 is a deficient number, since it is larger than the sum of its proper divisors (26515260434).

40747047406 is a wasteful number, since it uses less digits than its factorization.

40747047406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183520.

The product of its (nonzero) digits is 526848, while the sum is 43.

The spelling of 40747047406 in words is "forty billion, seven hundred forty-seven million, forty-seven thousand, four hundred six".