740340408 has 64 divisors (see below), whose sum is σ = 1893762720. Its totient is φ = 241113600.

The previous prime is 740340407. The next prime is 740340409. The reversal of 740340408 is 804043047.

It is an interprime number because it is at equal distance from previous prime (740340407) and next prime (740340409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740340401) 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, 228238 + ... + 231458.

Almost surely, 2^740340408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740340408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946881360).

740340408 is an abundant number, since it is smaller than the sum of its proper divisors (1153422312).

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

740340408 is a wasteful number, since it uses less digits than its factorization.

740340408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 740340408 is about 27209.1971215617. The cubic root of 740340408 is about 904.6428422884.

The spelling of 740340408 in words is "seven hundred forty million, three hundred forty thousand, four hundred eight".