3740040405 has 32 divisors (see below), whose sum is σ = 6697526400. Its totient is φ = 1980118656.

The previous prime is 3740040397. The next prime is 3740040407. The reversal of 3740040405 is 5040400473.

It is not a de Polignac number, because 3740040405 - 2³ = 3740040397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3740040407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82615 + ... + 119604.

It is an arithmetic number, because the mean of its divisors is an integer number (209297700).

Almost surely, 2^3740040405 is an apocalyptic number.

It is an amenable number.

3740040405 is a deficient number, since it is larger than the sum of its proper divisors (2957485995).

3740040405 is a wasteful number, since it uses less digits than its factorization.

3740040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202370 (or 202364 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 3740040405 is about 61155.8697509896. The cubic root of 3740040405 is about 1552.2396212025.

Adding to 3740040405 its reverse (5040400473), we get a palindrome (8780440878).

The spelling of 3740040405 in words is "three billion, seven hundred forty million, forty thousand, four hundred five".