1395714240 has 392 divisors, whose sum is σ = 5170432128. Its totient is φ = 358318080.

The previous prime is 1395714211. The next prime is 1395714269. The reversal of 1395714240 is 424175931.

1395714240 is a `hidden beast` number, since 1 + 3 + 9 + 571 + 42 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (1395714211) and next prime (1395714269).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1395714195 and 1395714204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7231584 + ... + 7231776.

Almost surely, 2^1395714240 is an apocalyptic number.

1395714240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1395714240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585216064).

1395714240 is an abundant number, since it is smaller than the sum of its proper divisors (3774717888).

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

1395714240 is an equidigital number, since it uses as much as digits as its factorization.

1395714240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1395714240 is about 37359.2590932957. The cubic root of 1395714240 is about 1117.5462437510.

The spelling of 1395714240 in words is "one billion, three hundred ninety-five million, seven hundred fourteen thousand, two hundred forty".