1402410240 has 1152 divisors, whose sum is σ = 6781501440. Its totient is φ = 265420800.

The previous prime is 1402410221. The next prime is 1402410253. The reversal of 1402410240 is 420142041.

1402410240 is a `hidden beast` number, since 14 + 0 + 2 + 410 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45239025 + ... + 45239055.

It is an arithmetic number, because the mean of its divisors is an integer number (5886720).

Almost surely, 2^1402410240 is an apocalyptic number.

1402410240 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 1402410240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3390750720).

1402410240 is an abundant number, since it is smaller than the sum of its proper divisors (5379091200).

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

1402410240 is a wasteful number, since it uses less digits than its factorization.

1402410240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1402410240 is about 37448.7682040411. The cubic root of 1402410240 is about 1119.3305523176.

Adding to 1402410240 its reverse (420142041), we get a palindrome (1822552281).

The spelling of 1402410240 in words is "one billion, four hundred two million, four hundred ten thousand, two hundred forty".