47440217954 has 16 divisors (see below), whose sum is σ = 71286303960. Its totient is φ = 23678146560.

The previous prime is 47440217947. The next prime is 47440217971. The reversal of 47440217954 is 45971204474.

It can be written as a sum of positive squares in 4 ways, for example, as 33590458729 + 13849759225 = 183277^2 + 117685^2 .

It is a super-2 number, since 2×47440217954² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47440217899 and 47440217908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4123442 + ... + 4134930.

Almost surely, 2^47440217954 is an apocalyptic number.

47440217954 is a deficient number, since it is larger than the sum of its proper divisors (23846086006).

47440217954 is a wasteful number, since it uses less digits than its factorization.

47440217954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14965.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 47440217954 in words is "forty-seven billion, four hundred forty million, two hundred seventeen thousand, nine hundred fifty-four".