400553341425642 has 64 divisors (see below), whose sum is σ = 814688393468544. Its totient is φ = 131272978821120.

The previous prime is 400553341425641. The next prime is 400553341425659. The reversal of 400553341425642 is 246524143355004.

It is a super-2 number, since 2×400553341425642² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400553341425591 and 400553341425600.

It is not an unprimeable number, because it can be changed into a prime (400553341425641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215463808 + ... + 217314884.

It is an arithmetic number, because the mean of its divisors is an integer number (12729506147946).

Almost surely, 2^{400553341425642} is an apocalyptic number.

400553341425642 is an abundant number, since it is smaller than the sum of its proper divisors (414135052042902).

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

400553341425642 is a wasteful number, since it uses less digits than its factorization.

400553341425642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853623.

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 400553341425642 in words is "four hundred trillion, five hundred fifty-three billion, three hundred forty-one million, four hundred twenty-five thousand, six hundred forty-two".