2355400421 has 8 divisors (see below), whose sum is σ = 2571600000. Its totient is φ = 2139546240.

The previous prime is 2355400409. The next prime is 2355400423. The reversal of 2355400421 is 1240045532.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2355400421 - 2³⁰ = 1281658597 is a prime.

It is a super-2 number, since 2×2355400421² = 11095822286493954482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355400423) 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, 71981 + ... + 99458.

It is an arithmetic number, because the mean of its divisors is an integer number (321450000).

Almost surely, 2^2355400421 is an apocalyptic number.

It is an amenable number.

2355400421 is a deficient number, since it is larger than the sum of its proper divisors (216199579).

2355400421 is a wasteful number, since it uses less digits than its factorization.

2355400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172699.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2355400421 is about 48532.4676994690. The cubic root of 2355400421 is about 1330.5205381365.

Adding to 2355400421 its reverse (1240045532), we get a palindrome (3595445953).

The spelling of 2355400421 in words is "two billion, three hundred fifty-five million, four hundred thousand, four hundred twenty-one".