4215215204040 has 32 divisors (see below), whose sum is σ = 12645645612480. Its totient is φ = 1124057387712.

The previous prime is 4215215204009. The next prime is 4215215204041. The reversal of 4215215204040 is 404025125124.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4215215203989 and 4215215204007.

It is not an unprimeable number, because it can be changed into a prime (4215215204041) 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, 17563396564 + ... + 17563396803.

It is an arithmetic number, because the mean of its divisors is an integer number (395176425390).

Almost surely, 2^{4215215204040} is an apocalyptic number.

4215215204040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4215215204040 is an abundant number, since it is smaller than the sum of its proper divisors (8430430408440).

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

4215215204040 is a wasteful number, since it uses less digits than its factorization.

4215215204040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35126793381 (or 35126793377 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 4215215204040 in words is "four trillion, two hundred fifteen billion, two hundred fifteen million, two hundred four thousand, forty".