40389307407098 has 8 divisors (see below), whose sum is σ = 65244265811508. Its totient is φ = 18641218803264.

The previous prime is 40389307407091. The next prime is 40389307407139. The reversal of 40389307407098 is 89070470398304.

It can be written as a sum of positive squares in 2 ways, for example, as 35375456466529 + 5013850940569 = 5947727^2 + 2239163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40389307407098² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40389307407098.

It is not an unprimeable number, because it can be changed into a prime (40389307407091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776717450111 + ... + 776717450162.

Almost surely, 2^{40389307407098} is an apocalyptic number.

40389307407098 is a deficient number, since it is larger than the sum of its proper divisors (24854958404410).

40389307407098 is a wasteful number, since it uses less digits than its factorization.

40389307407098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553434900288.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 40389307407098 in words is "forty trillion, three hundred eighty-nine billion, three hundred seven million, four hundred seven thousand, ninety-eight".