40124421021402 has 96 divisors (see below), whose sum is σ = 88181049116160. Its totient is φ = 13184051479200.

The previous prime is 40124421021383. The next prime is 40124421021427. The reversal of 40124421021402 is 20412012442104.

40124421021402 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 44 + 210 + 2 + 1 + 402 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1428562203 + ... + 1428590289.

It is an arithmetic number, because the mean of its divisors is an integer number (918552594960).

Almost surely, 2^{40124421021402} is an apocalyptic number.

40124421021402 is an abundant number, since it is smaller than the sum of its proper divisors (48056628094758).

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

40124421021402 is a wasteful number, since it uses less digits than its factorization.

40124421021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30288 (or 30285 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 40124421021402 its reverse (20412012442104), we get a palindrome (60536433463506).

The spelling of 40124421021402 in words is "forty trillion, one hundred twenty-four billion, four hundred twenty-one million, twenty-one thousand, four hundred two".