100340553400 has 48 divisors (see below), whose sum is σ = 236773785240. Its totient is φ = 39537168000.

The previous prime is 100340553353. The next prime is 100340553403. The reversal of 100340553400 is 4355043001.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100340553403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3730651 + ... + 3757450.

Almost surely, 2^100340553400 is an apocalyptic number.

100340553400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100340553400 is an abundant number, since it is smaller than the sum of its proper divisors (136433231840).

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

100340553400 is a wasteful number, since it uses less digits than its factorization.

100340553400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488184 (or 7488175 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 100340553400 its reverse (4355043001), we get a palindrome (104695596401).

The spelling of 100340553400 in words is "one hundred billion, three hundred forty million, five hundred fifty-three thousand, four hundred".