16401527750040 has 32 divisors (see below), whose sum is σ = 49204583250480. Its totient is φ = 4373740733312.

The previous prime is 16401527750021. The next prime is 16401527750057. The reversal of 16401527750040 is 4005772510461.

It is a super-2 number, since 2×16401527750040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16401527749974 and 16401527750001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68339698839 + ... + 68339699078.

Almost surely, 2^{16401527750040} is an apocalyptic number.

16401527750040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16401527750040 is an abundant number, since it is smaller than the sum of its proper divisors (32803055500440).

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

16401527750040 is a wasteful number, since it uses less digits than its factorization.

16401527750040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136679397931 (or 136679397927 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 16401527750040 in words is "sixteen trillion, four hundred one billion, five hundred twenty-seven million, seven hundred fifty thousand, forty".