2400238402 has 8 divisors (see below), whose sum is σ = 3601482300. Its totient is φ = 1199744304.

The previous prime is 2400238367. The next prime is 2400238409. The reversal of 2400238402 is 2048320042.

It can be written as a sum of positive squares in 2 ways, for example, as 2342463201 + 57775201 = 48399^2 + 7601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2400238402² = 11522288772871027208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2400238409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179377 + ... + 192292.

Almost surely, 2^2400238402 is an apocalyptic number.

2400238402 is a deficient number, since it is larger than the sum of its proper divisors (1201243898).

2400238402 is a wasteful number, since it uses less digits than its factorization.

2400238402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374900.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2400238402 is about 48992.2279754657. The cubic root of 2400238402 is about 1338.9102304060.

Adding to 2400238402 its reverse (2048320042), we get a palindrome (4448558444).

The spelling of 2400238402 in words is "two billion, four hundred million, two hundred thirty-eight thousand, four hundred two".