439906491040 has 96 divisors (see below), whose sum is σ = 1042847447040. Its totient is φ = 175359360000.

The previous prime is 439906491007. The next prime is 439906491043. The reversal of 439906491040 is 40194609934.

It is not an unprimeable number, because it can be changed into a prime (439906491043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77160190 + ... + 77165890.

It is an arithmetic number, because the mean of its divisors is an integer number (10862994240).

Almost surely, 2^439906491040 is an apocalyptic number.

439906491040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

439906491040 is an abundant number, since it is smaller than the sum of its proper divisors (602940956000).

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

439906491040 is a wasteful number, since it uses less digits than its factorization.

439906491040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286 (or 7278 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 439906491040 in words is "four hundred thirty-nine billion, nine hundred six million, four hundred ninety-one thousand, forty".