5400420631450 has 192 divisors, whose sum is σ = 11528209834848. Its totient is φ = 1864551628800.

The previous prime is 5400420631439. The next prime is 5400420631451. The reversal of 5400420631450 is 541360240045.

It can be written as a sum of positive squares in 48 ways, for example, as 3680983750921 + 1719436880529 = 1918589^2 + 1311273^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (5400420631451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1195574592 + ... + 1195579108.

Almost surely, 2^{5400420631450} is an apocalyptic number.

5400420631450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5400420631450 is an abundant number, since it is smaller than the sum of its proper divisors (6127789203398).

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

5400420631450 is a wasteful number, since it uses less digits than its factorization.

5400420631450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237 (or 5232 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 5400420631450 its reverse (541360240045), we get a palindrome (5941780871495).

The spelling of 5400420631450 in words is "five trillion, four hundred billion, four hundred twenty million, six hundred thirty-one thousand, four hundred fifty".