100406032540 has 24 divisors (see below), whose sum is σ = 230021093232. Its totient is φ = 36511284480.

The previous prime is 100406032483. The next prime is 100406032547. The reversal of 100406032540 is 45230604001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100406032547) 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, 228195309 + ... + 228195748.

It is an arithmetic number, because the mean of its divisors is an integer number (9584212218).

Almost surely, 2^100406032540 is an apocalyptic number.

100406032540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100406032540 is an abundant number, since it is smaller than the sum of its proper divisors (129615060692).

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

100406032540 is a wasteful number, since it uses less digits than its factorization.

100406032540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456391077 (or 456391075 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 100406032540 its reverse (45230604001), we get a palindrome (145636636541).

The spelling of 100406032540 in words is "one hundred billion, four hundred six million, thirty-two thousand, five hundred forty".