2400198774 has 8 divisors (see below), whose sum is σ = 4800397560. Its totient is φ = 800066256.

The previous prime is 2400198751. The next prime is 2400198817. The reversal of 2400198774 is 4778910042.

It is a happy number.

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

2400198774 is an admirable number.

It is a super-2 number, since 2×2400198774² = 11521908309422206152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200016559 + ... + 200016570.

It is an arithmetic number, because the mean of its divisors is an integer number (600049695).

Almost surely, 2^2400198774 is an apocalyptic number.

2400198774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2400198774 is a wasteful number, since it uses less digits than its factorization.

2400198774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400033134.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 2400198774 is about 48991.8235423014. The cubic root of 2400198774 is about 1338.9028618843.

The spelling of 2400198774 in words is "two billion, four hundred million, one hundred ninety-eight thousand, seven hundred seventy-four".