401540298 has 16 divisors (see below), whose sum is σ = 803712576. Its totient is φ = 133741440.

The previous prime is 401540297. The next prime is 401540299. The reversal of 401540298 is 892045104.

It is an interprime number because it is at equal distance from previous prime (401540297) and next prime (401540299).

It is a super-2 number, since 2×401540298² = 322469221835857608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401540297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17863 + ... + 33498.

It is an arithmetic number, because the mean of its divisors is an integer number (50232036).

Almost surely, 2^401540298 is an apocalyptic number.

401540298 is an abundant number, since it is smaller than the sum of its proper divisors (402172278).

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

401540298 is a wasteful number, since it uses less digits than its factorization.

401540298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52669.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 401540298 is about 20038.4704506107. The cubic root of 401540298 is about 737.7508394279.

The spelling of 401540298 in words is "four hundred one million, five hundred forty thousand, two hundred ninety-eight".