40401400124 has 48 divisors (see below), whose sum is σ = 72718158240. Its totient is φ = 19633827840.

The previous prime is 40401400097. The next prime is 40401400183. The reversal of 40401400124 is 42100410404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40401400096 and 40401400105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13284044 + ... + 13287084.

It is an arithmetic number, because the mean of its divisors is an integer number (1514961630).

Almost surely, 2^40401400124 is an apocalyptic number.

It is an amenable number.

40401400124 is a deficient number, since it is larger than the sum of its proper divisors (32316758116).

40401400124 is a wasteful number, since it uses less digits than its factorization.

40401400124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 3756 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40401400124 its reverse (42100410404), we get a palindrome (82501810528).

The spelling of 40401400124 in words is "forty billion, four hundred one million, four hundred thousand, one hundred twenty-four".