4032400040 has 32 divisors (see below), whose sum is σ = 9075456000. Its totient is φ = 1612505664.

The previous prime is 4032400037. The next prime is 4032400067. The reversal of 4032400040 is 400042304.

It is a junction number, because it is equal to n+sod(n) for n = 4032399991 and 4032400018.

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, 154241 + ... + 178479.

It is an arithmetic number, because the mean of its divisors is an integer number (283608000).

Almost surely, 2^4032400040 is an apocalyptic number.

4032400040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4032400040 is an abundant number, since it is smaller than the sum of its proper divisors (5043055960).

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

4032400040 is a wasteful number, since it uses less digits than its factorization.

4032400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28409 (or 28405 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4032400040 is about 63501.1814063329. The cubic root of 4032400040 is about 1591.6755197129.

Adding to 4032400040 its reverse (400042304), we get a palindrome (4432442344).

The spelling of 4032400040 in words is "four billion, thirty-two million, four hundred thousand, forty".