3654457240 has 96 divisors (see below), whose sum is σ = 9579351600. Its totient is φ = 1251075840.

The previous prime is 3654457237. The next prime is 3654457271. The reversal of 3654457240 is 427544563.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3654457193 and 3654457202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2137506 + ... + 2139214.

Almost surely, 2^3654457240 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 3654457240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4789675800).

3654457240 is an abundant number, since it is smaller than the sum of its proper divisors (5924894360).

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

3654457240 is a wasteful number, since it uses less digits than its factorization.

3654457240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

The square root of 3654457240 is about 60452.1069938840. The cubic root of 3654457240 is about 1540.3082027776.

The spelling of 3654457240 in words is "three billion, six hundred fifty-four million, four hundred fifty-seven thousand, two hundred forty".