74010343440 has 80 divisors (see below), whose sum is σ = 250289534016. Its totient is φ = 17941900800.

The previous prime is 74010343409. The next prime is 74010343441. The reversal of 74010343440 is 4434301047.

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

It is a super-2 number, since 2×74010343440² (a number of 23 digits) contains 22 as substring.

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 = 74010343398 and 74010343407.

It is not an unprimeable number, because it can be changed into a prime (74010343441) 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, 14014471 + ... + 14019750.

Almost surely, 2^74010343440 is an apocalyptic number.

It is an amenable number.

74010343440 is an abundant number, since it is smaller than the sum of its proper divisors (176279190576).

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

74010343440 is a wasteful number, since it uses less digits than its factorization.

74010343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28034248 (or 28034242 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 74010343440 its reverse (4434301047), we get a palindrome (78444644487).

The spelling of 74010343440 in words is "seventy-four billion, ten million, three hundred forty-three thousand, four hundred forty".