4102202023440 has 80 divisors (see below), whose sum is σ = 12738490809408. Its totient is φ = 1092056923648.

The previous prime is 4102202023429. The next prime is 4102202023459. The reversal of 4102202023440 is 443202022014.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4102202023440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4102202023440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14418327 + ... + 14700086.

Almost surely, 2^{4102202023440} is an apocalyptic number.

4102202023440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4102202023440 is an abundant number, since it is smaller than the sum of its proper divisors (8636288785968).

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

4102202023440 is a wasteful number, since it uses less digits than its factorization.

4102202023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29119016 (or 29119010 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4102202023440 its reverse (443202022014), we get a palindrome (4545404045454).

The spelling of 4102202023440 in words is "four trillion, one hundred two billion, two hundred two million, twenty-three thousand, four hundred forty".