3954469040 has 40 divisors (see below), whose sum is σ = 9219261120. Its totient is φ = 1577477568.

The previous prime is 3954469007. The next prime is 3954469049. The reversal of 3954469040 is 409644593.

It is a happy number.

3954469040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3954468982 and 3954469000.

It is not an unprimeable number, because it can be changed into a prime (3954469049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10774937 + ... + 10775303.

It is an arithmetic number, because the mean of its divisors is an integer number (230481528).

Almost surely, 2^3954469040 is an apocalyptic number.

It is an amenable number.

3954469040 is an abundant number, since it is smaller than the sum of its proper divisors (5264792080).

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

3954469040 is an frugal number, since it uses more digits than its factorization.

3954469040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 3954469040 is about 62884.5691724130. The cubic root of 3954469040 is about 1581.3550624834.

The spelling of 3954469040 in words is "three billion, nine hundred fifty-four million, four hundred sixty-nine thousand, forty".